> Author: brane
> Date: Sun Nov 4 05:49:40 2018
> New Revision: 1845716
>
> URL: http://svn.apache.org/viewvc?rev=1845716&view=rev> Log:
> Make only libsvn_subr directly depend on some macOS frameworks.
>
> The comment in build/ac-macros/macosx.m4, which said that libtool 1.5.x
> doesn't track transitive dependencies for macOS frameworks, has not been
> true since libtlool-1.5.24.
>
> Consequently, take the daring step of updating the requred libtool
> version to 2.0, which is (*gasp!*) only 11 years old.

If anyone objects to this version bump, we could require libtool 1.5.24
or 1.5.28 instead and get essentially the same support for the
-framework option on macOS.